There is some scattered info on the forum about the various motors and fuel consumption, let's have ago at getting some of it together in a thread.

The last time I worked on our Hilux's engine I think the mechanic helping me got the fuel mixtures all wrong which sent the consumption through the roof +- 4km/litre, it was much better before this change.

The previous owners said they got consumption between 10.5L and 15L per hundred, but I think they were a little optimistic

I know there are so many factors that affect fuel consumption, but here goes (feel free to add more info/ criteria I have missed/omitted when you post):

I have just overhauled my carb. The mains were 100 & 171 for primary and secondary respectively, now they are 102 & 175. This is the cause of my increase of consumption and I think I will be changing back to see if I am right.
Scotty, it might be something for you to play with before you go. I can honestly say that the increase in jet size has not increased the performance (i.e. in a positive way, POWER). Catch my thread on the carb overhaul

Other than that, the increase in your consumption could be caused by the suspension lift, slightly bigger tyres and the exhaust system. The higher the vehicle the more drag, also note this will go up again with a RTT and lets face it, a freeflow may add a few extra horses but it takes a bit more to quench the thirst of those horses to. :D

"I know that you believe you understand what you think I said, but I'm not sure you realise that what you heard is not what I meant."

Hi lux 95 D/C with canopy
2.4 Petrol with 214 000km
Air con is a must in our area so it is always on
OME suspension
265/15 Good Year Wranglers
Head flown and cam cutted
S/S Flee flow exhause system and branch
Snorkel with donaldson air filter
(Uitskiet stoel met valskerm :D )Canopy?: Yes

Fuel consuption on last trip was 4.7 km/l at 120 km/h avarage 3.3 km/l in mountain passes low range and when returning back to Upington I had a craked branch and I was hitting it 140-150km/h and it gave 5.7km/l

I had the branch replaced but could not do a test again. At this stage it looks like this hi lux likes to run hard.

Last edited by Knersus on Tue Nov 06, 2007 9:13 am, edited 1 time in total.

CONSUMPTION:Because this is my "toy" I only really use it to go playing in the bush and to take the garden rubbish to the tip once a month.
Consumption with V6 was around 4km/L while running in and setting up the carb.
Now after ~2000km it is around 5km/L but I'm sure this can be improved once I get it to a Weber carb expert. Again, it is mainly offroad, low range consumption figures.

Hi Martin, and welcome to the Forum :) Please post some pics of your Hilux when you get a chance in the "Member's Rides" section.

Bryan Weber's experience is that the "face lift" Hiluxes do have worse consumption figures than the first generation 2.7i's, apparently some minor changes were made to the engine or management system. I normally travel at 120 - 130Km/Hr true (GPS) speed, and the effect of the bigger tyres is to narrow the over-reading margin that the 2.7i speedometer has i.r.o. true speed.

Funny thing was when I first bought the Hilux back then, I towed a 15 foot Gypsey 3 caravan, full height model, to Port Nolloth and back at an average speed of 100 - 110 km/hr and I also avaraged about 7km/l, so I was a bit disappointed that the consumption didn't really improve much. I had only about 500Km on the speedo at that time.

As an after thought, I have added a "Canopy - yes/no" and maybe the make option to the original template.

The consumption figure of your 70 SW intrigues me... most people are reporting about 10km to the litre, although they do say initially the consumption was lower when the vehicle was still running in. I hope that's the scenario in your case.

Vehicle: 1990 DC SFA
Km's on the clock: 211000 ( unconfirmed )
Motor: ( was a 2.2 4y but when I bought it it had 2.4 22R in )
Vehicle lift/ suspension: Standard
Tyres: 31" 10.5 x 15
Carb mod/ spacers?: Standard
Air filter: Donaldson
Snorkel?: No
EFI?: No
Cam cut?: No
Exhaust mod?: No
Tyre pressure Around town with lighter loads: 2 bar
Permanent roofrack/ tent etc?: No
Aircon?: Yes, but not used
Difflock (orig/afterfit)?: No
Canopy?: No
CONSUMPTION: 5.4 km/l in town at around 60 km/h

Other mod to consider Marlin crawler kit fitted to the transfer case and the single solid rear propshaft, done away with the two piece rear propshaft.

The reason why I say that I do not know if the cam has been cut is because the performance of this engine is fantastic, a few years back, an old "friend" well I thought he was my friend, anyway he tried to keep up with my Hilux with his 22R 2.4 fuel injection engine that he had fitted to his Hilux which was a double cab and was shocked that he could not. Thus there must be some mods done there, have not had to open her up yet to have a look, these 4Y engine if looked after correctly are bullet proof.

CONSUMPTION: I change my tyres around quite a bit, With the marie biscuits town driving 6km/L: open road 120km/h 8km/L. With the 31" town 7km/L ;open road 9km/L. The Marie biscuits are very very heavy, with split rims and tubes which affects consumption more than I thought it would.

This is great guys.
I'm looking at buying a Toyota Hilux 2.7i 4x4 DC now and was hoping someone could help me out with the fuel consumption question.
I found what I was looking for, thanx
Can hopefully get one before Dec holiday.

Emile, Godfather and PietPetoors both own DC 2.7 4X4, they should be able to help as well. I know PietPetoors mentioned that he got around 7km p/l. I think somewhere on the forum someone did post the fuel consumption of the 2.7. I know they are a bit thursty but they are great vehiles as Eric said.

Anybody experienced better fuel consumption on the reef than at the coast? When I bought my 2.7 I got 8km/l in JHB. Down here I averaged between 7.2 and 7.5km/l. I went to Pretoria last week and when coming back, from JHB to Bloem at 120km/h to 130km/h I got 8km/l again and from Bloem to Calvinia at the same speed 7.8km/l. Back home, I am back at 7.2km/l. I think by now my driving style would be more or less the same.

In general, fuel consumption is better up on the Reef than at the Coast. Don't know why, one of the boffins will need to explain. I would have expected it to be better at the Coast because of denser air should give a better spark. Maybe it is because the performance is so much nicer at the Coast one tends to put foot to the metal. more woema! ... dunno!

I have noted on my bakkie that when I stop there seems to be some blowing noice comming from the fuel cap. If I release the cap the pressure in the tank blows out but the air is always hot. So I tried to investigate the problem and I have found that my petrol might be cooked away while I am driving :? Well this is what I think is happening as there are two fuel tanks and the exhause pype is running between them and actually very close to it as well. The tanks is heating up a lot and I do believe the fuel is cooking and vaporizing away

I went and buy myself a sheet of asbes cloth to see if I can shield away the heat. It took double layers and used silicone to stick it onto the tank. It seems to work as there are no more high pressure buildup inside the tanks but can not say if the bakkie will be better on fuel consumpsion.

I was wondering if there is anyone on this forum with a +-1999 3.0D non turbo.

According to um.co.za, they apparently use +-7l / 100km on higway. COuld this be?? Makes me rethink my strategy to look for 2.7 and go for this instead.

But I heard this model is as slow and underpowered as the SFA hilux. Is this true. Also is the saving on fuel consumption worth buying a diesel, with lacking performance, worth the costs of increased maintanance - my machi suggested an oil and filter change every 5000km.

Furthermore, it battles to reach 120KM/Hr (up on the reef, anyway) and when it does do that, the consumption falls to about the same as the 2.7i motor. It also has not got a good resale value. Many of the 5L engines "lose their heads" at about 100,000Km, no matter how it's driven. It is underpowered. A KZTE would be a far better buy, but the 2.7i is probably the best all-rounder for power and longevity.

I think they were both derived from the standard 2.4D blocks that Toyota just bored larger. Less metal to conduct heat away. Trying to give the Hilux more power compared, probably, to the Isuzus of the time. Bad, bad move.

It was the neighbour's cat. Hooligan of a dog that I have, trapped the poor kitty on top of the old pinball machine in the summer house.

dalkill wrote:But I heard this model is as slow and underpowered as the SFA hilux. Is this true.

The 3.0 d was a great motor but as the others said slow and sluggish on road, off road it was good and had the low down power. Then Toyota brought out the 3.0td (stay the hell away) and the turbo's and heads was a problem. Thereafter they brought out the 3.0 KZTE and in their first year they were a problem as well (cracked heads) thereafter plain sailing.

It happened again this holiday: I was driving about 400km of gravel road in the Calitzdorp/Ladismith area this holiday. I was mostly cruising at about 80 to 90 and I got 8.3 km/l. When doing between 120 and 130 I still get 7.3km/l